YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1898 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1899 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1900 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1901 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1902 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 49.31 | b | 49.31 | k |
1903 | 48.08 | 46.56 | a | 58.77 | 66.73 | 74.89 | 86.03 | 91.33 | a | 91.89 | 81.22 | 67.98 | 58.33 | 48.63 | 68.37 | |||||||||||
1904 | 44.73 | 55.54 | a | 61.97 | 67.83 | 76.94 | 86.40 | 88.15 | a | 88.32 | 80.69 | a | 69.47 | a | 56.67 | 49.53 | 68.85 | |||||||||
1905 | 51.91 | d | 56.04 | 60.37 | 65.08 | 71.39 | 84.48 | 91.98 | 92.87 | 85.85 | 71.13 | 58.45 | 48.95 | 69.88 | ||||||||||||
1906 | 48.98 | 57.95 | 60.58 | 67.30 | 75.00 | 84.75 | 93.21 | 87.97 | 82.73 | 70.56 | 56.88 | 52.21 | 69.84 | |||||||||||||
1907 | 50.44 | 56.59 | 59.82 | 69.17 | 69.81 | 79.83 | 91.23 | 90.50 | 82.68 | 70.85 | 61.14 | a | 51.27 | a | 69.44 | |||||||||||
1908 | 51.50 | 51.36 | 61.61 | ----- | z | ----- | z | 86.41 | a | 81.31 | b | ----- | z | 83.40 | 68.35 | d | ----- | z | ----- | z | 69.14 | e | ||||
1909 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1910 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1911 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 90.08 | 91.08 | ----- | z | 85.47 | 71.68 | 57.00 | 47.29 | e | 73.77 | f | |||||
1912 | 53.57 | a | 58.11 | b | 56.11 | d | 62.62 | a | 75.73 | 87.91 | a | 88.08 | 89.13 | 80.32 | 68.74 | 57.72 | a | 46.65 | 68.72 | |||||||
1913 | 44.40 | a | 52.00 | a | 55.55 | 64.80 | 75.61 | 83.63 | 89.53 | 90.31 | 83.13 | 70.19 | 61.69 | a | 48.91 | b | 68.31 | |||||||||
1914 | 52.00 | b | 50.36 | q | 58.50 | y | 69.57 | 76.56 | 86.60 | 91.00 | 92.37 | 86.05 | 72.27 | 63.72 | 50.47 | b | 74.06 | b | ||||||||
1915 | 49.91 | c | 53.30 | 58.02 | 67.81 | f | 71.24 | 84.38 | 91.56 | d | 90.84 | b | 81.65 | d | 72.80 | a | 58.77 | 50.79 | 69.39 | a | ||||||
1916 | 50.55 | a | 58.19 | 63.74 | 69.45 | 75.45 | b | 85.77 | 91.28 | a | 88.81 | 83.40 | 68.08 | 55.47 | 46.00 | 69.68 | ||||||||||
1917 | 49.06 | 54.48 | 57.05 | 64.71 | a | 70.73 | 86.57 | 92.69 | 89.81 | 85.39 | c | 73.93 | a | 62.21 | f | 52.13 | a | 70.60 | a | |||||||
1918 | 48.52 | 54.70 | 62.60 | 67.73 | 73.77 | 90.83 | 90.95 | a | 87.33 | a | 85.12 | 72.95 | ----- | z | 47.77 | a | 71.12 | a | ||||||||
1919 | 48.06 | 50.07 | 56.82 | a | 68.95 | a | 77.75 | a | 86.07 | a | 89.43 | a | 89.31 | 82.16 | a | 65.97 | 56.07 | 50.87 | 68.46 | |||||||
1920 | 50.44 | 55.02 | a | 55.31 | 62.63 | 74.23 | 83.95 | a | 92.69 | 87.71 | 82.16 | a | 66.66 | 54.28 | a | 45.90 | 67.58 | |||||||||
1921 | 48.02 | 54.39 | 63.21 | 65.07 | a | 71.90 | a | 85.63 | 90.43 | a | 88.00 | f | 84.31 | c | 72.45 | a | 54.23 | 51.28 | b | 67.36 | a | |||||
1922 | 44.82 | i | 50.41 | 50.48 | b | 60.50 | 77.58 | a | 87.87 | 93.45 | 91.73 | a | 86.88 | a | 71.07 | a | 53.05 | 51.17 | d | 70.38 | a | |||||
1923 | 51.28 | a | 52.75 | 55.13 | 65.48 | 77.46 | c | 82.16 | a | 90.27 | 89.76 | 81.43 | 67.03 | 58.12 | 50.10 | a | 68.41 | |||||||||
1924 | 46.78 | f | 55.09 | a | 55.57 | a | 63.88 | 81.90 | 91.09 | h | 92.40 | 93.35 | ----- | z | 68.15 | a | 59.17 | g | 48.92 | 69.91 | d | |||||
1925 | 46.68 | 56.55 | 61.79 | 68.30 | 79.21 | 83.67 | d | 95.85 | a | 91.05 | i | 81.04 | d | 68.73 | a | 56.42 | 50.20 | a | 68.04 | a | ||||||
1926 | 46.67 | a | 56.54 | a | 62.40 | 68.42 | 75.33 | a | 87.76 | e | 93.83 | b | ----- | z | 84.40 | i | 72.35 | 57.98 | a | 50.81 | 67.21 | b | ||||
1927 | 53.02 | 57.75 | d | 55.71 | 64.78 | a | 75.15 | a | 83.00 | b | 91.95 | c | 89.66 | 80.88 | m | 71.32 | 63.54 | d | 48.96 | g | 70.59 | b | ||||
1928 | 49.13 | 52.14 | 61.23 | 65.00 | a | 77.73 | a | 85.90 | 93.08 | 91.57 | i | 85.45 | b | 70.36 | b | 56.63 | 48.02 | 67.70 | a | |||||||
1929 | 46.13 | 50.54 | 56.98 | 63.53 | a | 75.03 | a | 83.38 | 90.76 | 89.44 | 82.52 | a | 72.53 | a | 55.03 | a | 50.70 | k | 69.63 | a | ||||||
1930 | 49.18 | 56.41 | a | 58.45 | 68.88 | e | 69.31 | 82.75 | 90.76 | ----- | z | 80.12 | a | 66.81 | 58.36 | b | 47.23 | a | 66.20 | a | ||||||
1931 | 47.88 | a | 54.71 | 59.05 | b | 68.09 | b | 76.66 | 84.65 | 94.24 | b | ----- | z | 87.13 | k | 70.80 | a | 55.76 | a | 47.08 | a | 65.89 | b | |||
1932 | 43.23 | 54.38 | 60.05 | 66.47 | 75.31 | 82.47 | 90.92 | 90.60 | a | 84.78 | 69.13 | 58.83 | 46.93 | b | 68.59 | |||||||||||
1933 | 46.58 | 47.20 | 58.44 | 62.92 | 69.95 | 86.07 | 94.85 | 91.65 | 85.90 | 74.56 | 59.11 | b | 51.10 | 69.03 | ||||||||||||
1934 | 49.98 | a | 57.80 | 66.14 | i | 73.35 | 81.73 | 81.93 | b | 96.69 | m | ----- | z | 83.42 | 72.65 | 57.93 | 51.32 | c | 67.79 | c | ||||||
1935 | 50.45 | c | 55.86 | 55.71 | b | 66.61 | g | 72.11 | 87.82 | 92.05 | a | 88.91 | b | 83.02 | 70.24 | 54.05 | a | 50.37 | a | 69.14 | a | |||||
1936 | 48.18 | 54.36 | 62.23 | a | 70.93 | 79.39 | 89.17 | 94.70 | h | 89.85 | u | 81.12 | 72.65 | 63.63 | 55.91 | c | 67.76 | b | ||||||||
1937 | 41.72 | a | 52.20 | a | 58.56 | 66.30 | 76.77 | 85.03 | 93.03 | 93.00 | a | 86.60 | 71.84 | 60.27 | d | 53.73 | a | 69.92 | ||||||||
1938 | 51.22 | a | 54.75 | 58.77 | 68.88 | 73.84 | c | 87.79 | i | 91.90 | 90.30 | a | 85.43 | 70.03 | 54.30 | 52.17 | j | 69.94 | b | |||||||
1939 | 50.45 | 47.02 | 61.16 | 70.88 | 78.29 | 86.60 | 93.32 | 91.31 | 82.87 | 69.21 | ----- | z | ----- | z | 73.11 | b | ||||||||||
1940 | 55.58 | l | 54.81 | 61.96 | g | 68.23 | 76.64 | x | 88.72 | e | 91.61 | 90.23 | 84.43 | 71.44 | d | 55.42 | 53.68 | 73.17 | c | |||||||
1941 | 51.42 | 55.07 | 56.85 | 61.14 | a | 74.00 | 80.93 | a | 88.85 | 86.45 | 78.32 | 64.67 | a | 57.22 | 49.65 | 67.05 | ||||||||||
1942 | 49.63 | 49.36 | 56.00 | a | 65.80 | 72.84 | 83.82 | 92.97 | 88.65 | 83.62 | a | 68.94 | ----- | z | 51.67 | s | 71.16 | b | ||||||||
1943 | 50.26 | 54.84 | ----- | z | ----- | z | 78.16 | 82.66 | a | 90.16 | b | 85.25 | y | 82.62 | 69.71 | 56.58 | 50.63 | e | 68.40 | c | ||||||
1944 | 47.00 | 50.88 | 55.98 | b | 61.82 | ----- | z | ----- | z | ----- | z | ----- | z | 76.36 | w | 70.42 | g | 55.33 | 49.47 | 53.41 | f | |||||
1945 | 48.24 | 54.29 | 55.42 | 65.30 | 75.68 | 81.40 | 91.44 | 90.08 | 83.88 | 73.28 | a | 57.00 | b | 46.37 | d | 68.53 | ||||||||||
1946 | 47.96 | d | 50.80 | 60.90 | 73.25 | 75.97 | 87.27 | 91.11 | d | 89.65 | g | 82.13 | c | 65.77 | r | 51.77 | 50.50 | 67.17 | b | |||||||
1947 | 46.13 | 55.41 | 59.55 | 65.62 | 78.27 | a | 83.71 | a | 92.00 | 89.32 | a | 83.35 | m | 71.03 | 52.85 | 46.61 | 67.32 | a | ||||||||
1948 | 48.66 | b | 50.66 | 54.08 | 66.37 | 73.73 | a | 81.28 | 89.77 | 88.81 | 83.47 | 71.94 | 51.95 | 48.65 | 67.45 | |||||||||||
1949 | 42.44 | 48.84 | 58.15 | a | 68.65 | 73.03 | 83.82 | 88.90 | 85.55 | 84.03 | 66.37 | 60.48 | 48.34 | 67.38 | ||||||||||||
1950 | 46.74 | 55.98 | 59.18 | 70.10 | i | 70.40 | 81.42 | 89.40 | 87.88 | j | 77.72 | 74.17 | b | 60.25 | 53.16 | b | 66.84 | b | ||||||||
1951 | 48.03 | m | 51.16 | 58.65 | a | 65.42 | e | 74.00 | d | 81.26 | c | 93.35 | 84.77 | t | 76.54 | r | 69.27 | 56.52 | 46.94 | 66.29 | c | |||||
1952 | 46.43 | h | ----- | z | 53.89 | l | 66.65 | j | 77.58 | g | ----- | z | 91.14 | t | 89.60 | k | 82.34 | e | ----- | z | ----- | z | ----- | z | 82.34 | k |
1953 | ----- | z | ----- | z | ----- | z | 64.62 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 50.33 | r | ----- | z | 64.62 | k | |
1954 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1955 | ----- | z | ----- | z | ----- | z | ----- | z | 73.38 | c | 82.28 | 84.63 | 84.53 | 80.38 | 73.60 | 58.57 | 53.16 | 73.82 | d | |||||||
1956 | 53.73 | 49.83 | 61.48 | e | 63.29 | m | ----- | z | ----- | z | ----- | z | 86.39 | ----- | z | 70.18 | q | 55.75 | p | ----- | z | 62.86 | h | |||
1957 | ----- | z | ----- | z | ----- | z | 66.35 | 72.03 | 85.42 | 88.84 | b | 87.08 | y | ----- | z | 63.84 | l | 53.45 | ----- | z | 73.22 | g | ||||
1958 | ----- | z | ----- | z | 55.94 | 66.70 | 81.08 | 86.48 | 89.71 | 89.13 | 81.37 | 72.23 | 57.53 | 53.79 | j | 75.57 | c | |||||||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 48.70 | 53.54 | 58.53 | 66.53 | 75.14 | 84.89 | 91.09 | 89.60 | 83.04 | 70.43 | 57.24 | 49.72 | 68.64 | |||||||||||||
S.D. | 2.79 | 3.10 | 2.87 | 2.91 | 3.11 | 2.56 | 2.47 | 2.06 | 2.13 | 2.35 | 2.93 | 2.34 | 0.89 | |||||||||||||
SKEW | -0.51 | -0.51 | -0.27 | 0.19 | 0.15 | 0.18 | -1.48 | -0.34 | -0.29 | -0.40 | 0.35 | 0.34 | -0.13 | |||||||||||||
MAX | 53.73 | 58.19 | 63.74 | 73.35 | 81.90 | 90.83 | 95.85 | 93.35 | 86.88 | 74.56 | 63.72 | 55.91 | 69.92 | |||||||||||||
MIN | 41.72 | 46.56 | 50.48 | 60.50 | 69.31 | 79.83 | 81.31 | 84.53 | 77.72 | 64.67 | 51.77 | 45.90 | 67.05 | |||||||||||||
YRS | 43 | 46 | 44 | 44 | 46 | 47 | 47 | 35 | 43 | 47 | 44 | 43 | 18 |